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首页 > 产品中心 > 电源管理 > DC降压型转换器 > Buck降压型芯片 >CXSD6272 高效同步降压DC-DC转换器3V至5.5V的宽输入电压1MHz固定开关频率脉冲宽度调制PWM
CXSD6272 高效同步降压DC-DC转换器3V至5.5V的宽输入电压1MHz固定开关频率脉冲宽度调制PWM
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CXSD6272是一款高效、同步降压DC-DC转换器,专为电池供电的便携式应用而优化。它支持高达2A的连续3A峰值输出电流。该装置具有3V至5.5V的宽输入电压范围,支持电压范围扩大的单锂离子电池、2和3个碱性电池、3.3V和5V输入电压范围的应用

CXSD6272 高效同步降压DC-DC转换器3V至5.5V的宽输入电压1MHz固定开关频率脉冲宽度调制PWM
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                          目录wNR嘉泰姆

   1.产品概述      2.产品特点      3.应用范围     4.技术规格书下载(PDF文档)wNR嘉泰姆

   5.产品封装      6.电路原理图     7.相关产品wNR嘉泰姆

一.产品概述wNR嘉泰姆


    The CXSD6272 is a high efficiency, synchronous step down DC-DC convertor optimized for battery powered portable applications. It supports up to 2A continuous 3A peak output current. With a wide input voltage range of 3V to 5.5V, the device supports applications powered by single Li-ion battery with extended voltage range, two and three alkaline cell, 3.3V and 5V input voltage range. wNR嘉泰姆

     The CXSD6272 operates at 1MHz fixed switching frequency with Pulse-Width-Modulation (PWM) and enters Pulse-Skipping-Modulation (PSM) operation at light load current to maintain high efficiency over the entire load current range. 100% duty cycle capability provides low dropout operation, extending battery life in portable systems. wNR嘉泰姆

    The switching frequency is internally set at 1MHz, allowing the use of tiny surface mount inductor and input/output capacitors. wNR嘉泰姆

     The CXSD6272 is available in SOT-23-5L and SOT-23-6L package. Standard product is Pb-free and Halogen -free. wNR嘉泰姆

二.产品特点wNR嘉泰姆


  Input voltage range : 3~5.5VwNR嘉泰姆

  Continue output current : 2A continuous 3A peakwNR嘉泰姆

  Switching frequency : 1MHz (Typ.)wNR嘉泰姆

  Efficiency : Up to 96%wNR嘉泰姆

  Feedback reference voltage : 0.6VwNR嘉泰姆

  100% duty cycle for low dropout operationwNR嘉泰姆

  Adjustable Output VoltagewNR嘉泰姆

三.应用范围wNR嘉泰姆


 CellphoneswNR嘉泰姆

  PADswNR嘉泰姆

  STBs    wNR嘉泰姆

四.技术规格书(产品PDF)wNR嘉泰姆


需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持wNR嘉泰姆

 QQ截图20160419174301.jpgwNR嘉泰姆

五.产品封装图wNR嘉泰姆


blob.pngblob.png  wNR嘉泰姆

六.电路原理图wNR嘉泰姆


  blob.png wNR嘉泰姆

七.相关芯片选择指南     更多同类产品......wNR嘉泰姆


降压型开关稳压器
Product VIN VOUT IOUT IQ Freq. VFB Efficiency PD(@TA = 25¡ãC) Package
Min Max Min Max Max Typ  Typ Typ  Max Max
(V)  (V)  (mA)  (uA)  (KHz) (V)  % (W) 
CXSD6271 2.7 5.5 1 4 2000 80 1000 0.6 96% 0.5 SOT-23-5L
CXSD6272 3 5.5 1 4 2000 80 1000 0.6 96 0.5 SOT-23-5L
CXSD6270 2.7 5.5 1 4 1200 65 1500 0.6 92 0.5 SOT-23-5L
CXSD6269 2.7 5.5 1 4 600 22 1500 0.6 95 0.5 SOT-23-5L